Monsters are there to force players to move closer. If you want to cling on to the land then well it will just be a big limiting factor for your expansion. If you want to expand and border another human realm, you might want to give up on the realm located in some remote corner of your continent and join a realm located closer to other human realms to form a denser realm. There are way too many realms with too few players. Either you join other realms to make it denser or stay spread and fight monsters endlessly.
